fast-uri vulnerable to server-side request forgery via malformed IPv6 normalization

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-75975 · Microsoft / collected KEV context

EUVD-2026-64772

GHSA-f65p-4m7j-42xc

cve-program · CVE-2026-75975

• https://github.com/fastify/fast-uri/security/advisories/GHSA-f65p-4m7j-42xc
• https://cna.openjsf.org/security-advisories.html

euvd · EUVD-2026-64772

• https://github.com/fastify/fast-uri/security/advisories/GHSA-f65p-4m7j-42xc
• https://cna.openjsf.org/security-advisories.html

nvd · CVE-2026-75975

• https://cna.openjsf.org/security-advisories.html
• https://github.com/fastify/fast-uri/security/advisories/GHSA-f65p-4m7j-42xc

osv · GHSA-f65p-4m7j-42xc

• https://github.com/fastify/fast-uri/security/advisories/GHSA-f65p-4m7j-42xc
• https://nvd.nist.gov/vuln/detail/CVE-2026-75975
• https://github.com/fastify/fast-uri/commit/3728465caacef4b16bc84b7d14760f1c8fe41595
• https://github.com/fastify/fast-uri/commit/607bfbe953f28a14c2e06ae64aff38c81ca2937f
• https://github.com/fastify/fast-uri/commit/9161eded1ff55fad9d9714c6ad6c0f0283547799
• https://cna.openjsf.org/security-advisories.html
• https://github.com/fastify/fast-uri
• https://github.com/fastify/fast-uri/releases/tag/v2.4.5
• https://github.com/fastify/fast-uri/releases/tag/v3.1.6
• https://github.com/fastify/fast-uri/releases/tag/v4.1.3

• fast-uri is a URI parser for Node.js. Its custom parser for bracketed IPv6 literals does not validate the complete IPv6 grammar, so invalid trailing text in an authority can be silently discarded and a malformed attacker-controlled host is … · Advisory content revised · 9 Nov 2026
• fast-uri is a URI parser for Node.js. Its custom parser for bracketed IPv6 literals does not validate the complete IPv6 grammar, so invalid trailing text in an authority can be silently discarded and a malformed attacker-controlled host is … · Advisory content revised · 7 Nov 2026
• fast-uri is a URI parser for Node.js. Its custom parser for bracketed IPv6 literals does not validate the complete IPv6 grammar, so invalid trailing text in an authority can be silently discarded and a malformed attacker-controlled host is … · Advisory content revised · 5 Nov 2026
• fast-uri is a URI parser for Node.js. Its custom parser for bracketed IPv6 literals does not validate the complete IPv6 grammar, so invalid trailing text in an authority can be silently discarded and a malformed attacker-controlled host is … · Advisory content revised · 1 Nov 2026
• Jira Software Data Center: SSRF (Server-Side Request Forgery) fast-uri Dependency (CVE-2026-75975) · Security advisory · 15 Sep 2026